53312235 has 16 divisors (see below), whose sum is σ = 86574336. Its totient is φ = 28008288.

The previous prime is 53312213. The next prime is 53312239. The reversal of 53312235 is 53221335.

It is a happy number.

It is not a de Polignac number, because 53312235 - 2¹⁰ = 53311211 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53312239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25519 + ... + 27528.

It is an arithmetic number, because the mean of its divisors is an integer number (5410896).

Almost surely, 2^53312235 is an apocalyptic number.

53312235 is a deficient number, since it is larger than the sum of its proper divisors (33262101).

53312235 is a wasteful number, since it uses less digits than its factorization.

53312235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53122.

The product of its digits is 2700, while the sum is 24.

The square root of 53312235 is about 7301.5227863782. The cubic root of 53312235 is about 376.3647692762.

The spelling of 53312235 in words is "fifty-three million, three hundred twelve thousand, two hundred thirty-five".